# Polar Scope Align Pro vs StellarMate

The clearest difference is review sentiment: Polar Scope Align Pro at 97% against StellarMate's 35%. Polar Scope Align Pro also leads on rating (4.9 vs 2.9) and ratings volume (310 vs 26). StellarMate's advantage is price (Free vs $4.99) and update cadence (every 8 days vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

StellarMate is free to download; Polar Scope Align Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Polar Scope Align Pro holds the better App Store score, 4.9 against 2.9. That said, the two scores are not equally well evidenced: Polar Scope Align Pro has 310 ratings behind it against 26, so its average is the more settled of the two. Written reviews point the same way: 97% of Polar Scope Align Pro's written reviews are positive against 35% of StellarMate's.

Polar Scope Align Pro ships an update every 2 months, StellarMate every 8 days. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Polar Scope Align Pro | StellarMate |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.9 (310 ratings)](https://appshunter.io/ios/app/polar-scope-align-pro/id970161373/reviews)** | [2.9 (26 ratings)](https://appshunter.io/ios/app/stellarmate/id1252626058/reviews) |
| Number of ratings | **310** | 26 |
| Positive reviews | **96.7% of reviews** | 34.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 33 MB | 115 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dimitrios Kechagias](https://appshunter.io/developer/970157964) | [Ikarus Astronomy Company For Scientific Instruments & Tools](https://appshunter.io/developer/1252626057) |

## What reviewers say

### Polar Scope Align Pro

[App page](https://appshunter.io/ios/app/polar-scope-align-pro/id970161373)

This app assists astronomers with precise polar alignment for telescopes, offering tools for various reticles and low-latitude accuracy. It also includes a comprehensive suite of astro tools, from object databases to calculators and weather reports.

**Highlights:** Accurate polar alignment calculation, Support for numerous polar scope reticles, Daytime/no polarscope alignment tool, Deep Space Object database, Astrophotography calculators, World astro-weather report

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Best Polar Alignment App
- 👍 Detailed Instructions and Explanations
- 👍 Fantastic App with Many Useful Features
- 👍 Intuitive and No Distractions
- 👍 Comprehensive Astronomy App

**What reviewers complain about**

- 🐛 Compass Inaccurate
- 🐛 Location Data Inaccurate

**Reported bugs**

- Weather Updates Not Working
- Compass Deflected by Mount

**Requested features**

- Add Observation Recording Feature
- Add Push To Option for DSO Objects


### StellarMate

[App page](https://appshunter.io/ios/app/stellarmate/id1252626058)

Control your astrophotography equipment remotely. Capture images, stream video, and perform precise alignment. Automatically back up your photos to the cloud with rich metadata for easy searching.

**Highlights:** Remote equipment control, Image capture and video streaming, Polar alignment assistant, Cloud image backup, Metadata search and sorting, Software updates

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Polar Scope Align Pro free?

Polar Scope Align Pro costs $4.99, with no in-app purchases.

### Is StellarMate free?

StellarMate is free to download, with no in-app purchases.

### Which has better reviews, Polar Scope Align Pro or StellarMate?

Polar Scope Align Pro is rated higher. Polar Scope Align Pro averages 4.9 out of 5 from 310 ratings, while StellarMate averages 2.9 from 26 ratings.

### Do Polar Scope Align Pro or StellarMate have ads?

Neither Polar Scope Align Pro nor StellarMate shows ads.

### Which is updated more often, Polar Scope Align Pro or StellarMate?

Polar Scope Align Pro ships an update every 2 months, and StellarMate every 8 days. Most recently, Polar Scope Align Pro was updated on November 6, 2026 and StellarMate on November 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*